Heavens-Above

When can I see the ISS? What's that light in the sky? The official Heavens-Above app provides you with precise pass predictions for the ISS, visible satellites, Iridium flares and radio satellites. Main features include:

Live sky chartSee what's in the sky above you right now or at a given moment.

Pass predictionsGet precise predictions for passes of the International Space Station (ISS) and most visible satellites.